:root {
    --primary-color: #3d5afe;
    --primary-color-dark: #304ffe;
    --accent-color: #ff4081;
    --text-color: #212121;
    --text-color-secondary: #757575;
    --bg-color: #f5f5f5;
    --card-bg-color: #ffffff;
    --border-color: #e0e0e0;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --border-radius: 12px;
    --font-family: 'Montserrat', sans-serif;
    --transition-speed: 0.3s;
}

[data-theme="dark"] {
    --primary-color: #448aff;
    --primary-color-dark: #2979ff;
    --accent-color: #ff80ab;
    --text-color: #e0e0e0;
    --text-color-secondary: #bdbdbd;
    --bg-color: #121212;
    --card-bg-color: #1e1e1e;
    --border-color: #424242;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    transition: background-color var(--transition-speed), color var(--transition-speed);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    max-width: 850px;
    margin: 0 auto;
    flex: 1;
}

#bookmarks-bar {
    background-color: var(--card-bg-color);
    padding: 10px 15px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    min-height: 24px;
    transition: background-color var(--transition-speed);
}
#err-feed {
    margin-top: 40px;
    padding: 15px 20px;
    background-color: #757575;
    color: white;
    text-align: center;
    font-size: 0.95em;
    font-weight: 500;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: background-color var(--transition-speed), transform 0.2s ease;
    text-decoration: none;
    display: block;
    max-width: 850px;
    margin-left: auto;
    margin-right: auto;
}

#err-feed:hover {
    background-color: var(--primary-color-dark);
    transform: translateY(-2px);
}
.bookmark-pill {
    display: flex;
    align-items: center;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.9em;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-speed);
    white-space: nowrap;
}

.bookmark-pill:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.bookmark-pill .bookmark-remove-btn {
    background: none;
    border: none;
    margin-left: 8px;
    cursor: pointer;
    font-size: 1.1em;
    color: var(--text-color-secondary);
    padding: 0;
    line-height: 1;
    transition: color var(--transition-speed);
}

.bookmark-pill:hover .bookmark-remove-btn {
    color: white;
}

#bookmarks-bar-placeholder {
    font-size: 0.9em;
    color: var(--text-color-secondary);
}
header {
    background-color: var(--card-bg-color);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 25px;
    transition: background-color var(--transition-speed);
    position: relative;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

h1 {
    margin: 0;
    color: var(--primary-color);
    font-size: 2em;
    font-weight: 700;
}

.search-box {
    display: flex;
    gap: 10px;
}

#group-input,
#teacher-input,
#faculty-select {
    flex-grow: 1;
    padding: 14px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1em;
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: border-color var(--transition-speed), background-color var(--transition-speed);
}
#group-input:focus,
#teacher-input:focus,
#faculty-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

#search-btn {
    padding: 14px 22px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 600;
    font-family: var(--font-family);
    transition: background-color var(--transition-speed) ease;
}

#search-btn:hover {
    background-color: var(--primary-color-dark);
}

#group-results-container,
#teacher-results {
    margin-top: 20px;
}

#group-results-container .results-label,
#teacher-results .results-label {
    font-size: 1em;
    color: var(--text-color-secondary);
    margin-bottom: 10px;
    display: block;
}

.custom-select-container {
    position: relative;
    font-family: var(--font-family);
    width: 100%;
}

.select-selected {
    background-color: var(--bg-color);
    color: var(--text-color);
    padding: 14px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    user-select: none;
    position: relative;
    transition: border-color var(--transition-speed);
}

.select-selected.select-arrow-active {
    border-color: var(--primary-color);
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

.select-selected::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid var(--text-color-secondary);
    transition: all var(--transition-speed);
}

.select-selected.select-arrow-active::after {
    transform: translateY(-50%) rotate(180deg);
}

.select-items {
    position: absolute;
    background-color: var(--card-bg-color);
    top: 100%;
    left: 0;
    right: 0;
    z-index: 99;
    border: 1px solid var(--primary-color);
    border-top: none;
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
    max-height: 200px;
    overflow-y: auto;
    box-shadow: var(--shadow);
}

.select-items div {
    color: var(--text-color);
    padding: 12px 16px;
    cursor: pointer;
    transition: background-color var(--transition-speed);
}

.select-items div:hover, .same-as-selected {
    background-color: var(--primary-color);
    color: white;
}

.select-hide {
    display: none;
}
/* -------------------------------------------------------- */

#teacher-results {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.group-option-btn {
    padding: 12px;
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    text-align: left;
    color: var(--text-color);
    font-family: var(--font-family);
    font-size: 1em;
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}
.group-option-btn:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

#selection-info-panel {
    margin-top: 20px;
    padding: 15px;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-left: 5px solid var(--primary-color);
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    animation: fadeIn 0.3s;
}

#selection-details p {
    margin: 0;
    font-size: 1.1em;
    font-weight: 600;
}

#selection-details #cache-timestamp {
    font-size: 0.8em;
    color: var(--text-color-secondary);
}

.panel-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}


#add-bookmark-btn, #force-refresh-btn {
    background: none;
    border: none;
    font-size: 1.8em;
    cursor: pointer;
    padding: 0 10px;
    transition: transform 0.2s, color 0.2s;
    color: var(--text-color-secondary);
}

#add-bookmark-btn:hover, #force-refresh-btn:hover {
    transform: scale(1.2);
    color: var(--primary-color);
}

/* Навигация по неделям */
.week-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    gap: 10px;
}
.week-nav button {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color-secondary);
    padding: 10px 15px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.2em;
    font-weight: 600;
    transition: background-color var(--transition-speed), color var(--transition-speed), border-color var(--transition-speed);
}
.week-nav button:hover:not(:disabled) {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

#today-btn {
    font-size: 0.9em;
    padding: 10px 20px;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

#current-week-display {
    font-weight: 600;
    font-size: 1.2em;
    color: var(--text-color);
    text-align: center;
    flex-grow: 1;
}

.week-nav button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.day-card {
    background-color: var(--card-bg-color);
    border-radius: var(--border-radius);
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: var(--shadow);
    transition: background-color var(--transition-speed), border var(--transition-speed);
    animation: fadeIn 0.5s ease-out forwards;
}
.day-card.today {
    border-left: 5px solid var(--accent-color);
}
.day-card h2 {
    margin: 0 0 20px 0;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
    color: var(--primary-color);
    font-size: 1.6em;
    font-weight: 600;
}
.lesson-card {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 8px;
    border-left: 5px solid;
    background-color: var(--bg-color);
    display: grid;
    grid-template-areas: "time discipline" "time details";
    grid-template-columns: 100px 1fr;
    gap: 5px 20px;
    align-items: center;
}
.lesson-card:last-child {
    margin-bottom: 0;
}
.lesson-time {
    grid-area: time;
    font-weight: 700;
    font-size: 1.5em;
    color: var(--text-color);
    text-align: center;
}
.lesson-time span {
    display: block;
    font-size: 0.8em;
    font-weight: 500;
}
.lesson-discipline {
    grid-area: discipline;
    font-weight: 600;
    font-size: 1.1em;
    display: flex;
    align-items: center;
    gap: 10px;
}
.lesson-type-badge {
    font-size: 0.75em;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 6px;
    color: #fff;
}
.info-btn {
    background-color: var(--border-color);
    color: var(--text-color-secondary);
    border: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    cursor: pointer;
    font-weight: 700;
    font-family: serif;
    font-style: italic;
    font-size: 14px;
    line-height: 20px;
    flex-shrink: 0;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}
.info-btn:hover {
    background-color: var(--primary-color);
    color: white;
}
.lesson-details {
    grid-area: details;
    font-size: 0.9em;
    color: var(--text-color-secondary);
    display: flex;
    flex-direction: column;
    gap: 5px;
}
.lesson-details span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.lesson-type-Практ { border-color: #4caf50; }
.lesson-type-Лек { border-color: #2196f3; }
.lesson-type-ЛР { border-color: #ff9800; }
.lesson-type-Конс { border-color: #9c27b0; }
.lesson-type-Экз { border-color: #f44336; }
.lesson-type-Зач { border-color: #795548; }
.lesson-type-Сем { border-color: #e49400; }
.lesson-type-default { border-color: var(--text-color-secondary); }
.lesson-type-Практ .lesson-type-badge { background-color: #4caf50; }
.lesson-type-Лек .lesson-type-badge { background-color: #2196f3; }
.lesson-type-ЛР .lesson-type-badge { background-color: #ff9800; }
.lesson-type-Сем .lesson-type-badge { background-color: #e49400; }
.lesson-type-Конс .lesson-type-badge { background-color: #9c27b0; }
.lesson-type-Экз .lesson-type-badge { background-color: #f44336; }
.lesson-type-Зач .lesson-type-badge { background-color: #795548; }
.lesson-type-default .lesson-type-badge { background-color: var(--text-color-secondary); }

#loader, .modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    transition: opacity 0.2s;
}
.spinner {
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-top: 5px solid #fff;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hidden {
    display: none !important;
}
#error-message {
    background-color: #ffcdd2;
    color: #c62828;
    padding: 15px;
    border: 1px solid #ef9a9a;
    border-radius: 8px;
    margin-top: 15px;
}
[data-theme="dark"] #error-message {
    background-color: #3e2723;
    color: #ffab91;
    border-color: #bcaaa4;
}

.theme-switcher {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 28px;
}
.theme-switcher input { opacity: 0; width: 0; height: 0; }
.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: var(--transition-speed);
    border-radius: 28px;
}
.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: var(--transition-speed);
    border-radius: 50%;
}
input:checked + .slider { background-color: var(--primary-color); }
input:checked+.slider:before {
    transform: translateX(22px);
}
.modal-content {
    background: var(--card-bg-color);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    width: 90%;
    max-width: 500px;
    position: relative;
    animation: fadeIn 0.3s ease-out forwards;
}
.modal-close-btn {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    font-size: 2em;
    color: var(--text-color-secondary);
    cursor: pointer;
}
.modal-content h2 { margin-top: 0; color: var(--primary-color); }
.modal-content p {
    line-height: 1.6;
}
.search-mode-switcher {
    margin-bottom: 20px;
}
.search-mode-switcher label {
    font-size: 1em;
    font-weight: 500;
    color: var(--text-color-secondary);
    cursor: pointer;
    margin-right: 20px;
}
.search-mode-switcher input {
    margin-right: 5px;
}

.group-mode-elements {
    display: flex;
    gap: 10px;
    flex-grow: 1;
}

.group-mode-elements #group-input,
.group-mode-elements #faculty-select {
    flex-grow: 1;
}
#boosty-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: linear-gradient(135deg, #ff5a5f, #ff9e3f);
    padding: 10px 16px;
    border-radius: 50px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    z-index: 9999;
    font-family: 'Montserrat', sans-serif;
}
#boosty-float a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}
#boosty-float:hover {
    transform: scale(1.1);
    transition: transform 0.2s ease;
}

.lesson-classroom-detail {
    font-weight: 500;
    font-size: 1em;
    color: var(--text-color-secondary);
}

#install-prompt {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--card-bg-color);
    color: var(--text-color);
    padding: 12px 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 100;
    max-width: 90%;
    animation: fadeIn 0.5s ease-out;
}

#install-prompt p {
    margin: 0;
    font-weight: 500;
    font-size: 0.9em;
}

#install-close-btn {
    background: none;
    border: none;
    font-size: 1.6em;
    color: var(--text-color-secondary);
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: color var(--transition-speed);
}

#install-close-btn:hover {
    color: var(--primary-color);
}

@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    h1 {
        font-size: 1.6em;
    }
    
    header, .day-card {
        padding: 15px;
    }

    .header-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .search-box {
        flex-direction: column;
    }

    .group-mode-elements {
        flex-direction: column;
    }

    .week-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    #current-week-display {
        order: -1;
        width: 100%;
        margin-bottom: 10px;
        font-size: 1.1em;
    }

    .lesson-card {
        grid-template-areas:
            "time"
            "discipline"
            "details";
        grid-template-columns: 1fr;
        gap: 10px;
        text-align: left;
    }
    
    .lesson-time {
        text-align: left;
        font-size: 1.2em;
    }

    .lesson-time span {
        display: inline-block;
        margin-left: 10px;
        font-size: 0.9em;
    }

    #boosty-float {
        bottom: 10px;
        right: 10px;
        padding: 8px 12px;
    }

    #boosty-float a {
        font-size: 0.9em;
    }
}